Title :
Polarisation phase-shift keying: a coherent transmission technique with differential heterodyne detection
Author :
Calvani, R. ; Caponi, R. ; Cisternino, F.
Author_Institution :
CSELT, Torino, Italy
fDate :
5/12/1988 12:00:00 AM
Abstract :
An original coherent transmission technique with polarisation modulation and (two-channel) differential heterodyne detection is demonstrated. In a preliminary experiment, sensitivities within 4 dB of the shot noise limit have been achieved. High immunity to laser phase noise is obtained
Keywords :
demodulation; light polarisation; optical communication; optical modulation; phase shift keying; coherent transmission technique; differential heterodyne detection; laser phase noise; optical communication; polarisation modulation; sensitivities; shot noise limit;
Journal_Title :
Electronics Letters
